PMAC Mini PCI Hardware Reference Manual
Table of Contents i
Table of Contents
INTRODUCTION .....................................................................................................................................................1
Features ...................................................................................................................................................................1
Dimensions..............................................................................................................................................................2
HARDWARE SETUP ...............................................................................................................................................3
Board Configuration................................................................................................................................................3
Base Version .......................................................................................................................................................3
Option 2: Dual-Ported RAM .............................................................................................................................3
Option 5xF: CPU Speed Options .......................................................................................................................3
Option 6: Extended Servo Algorithm Firmware................................................................................................4
Option 6L: Special Lookahead Firmware .........................................................................................................4
Option 8A: High-Accuracy Clock Crystal.........................................................................................................4
Option 10: Firmware Version Specification.......................................................................................................4
Option 15: V-to-F Converter for Analog Input ..................................................................................................4
General Purpose Digital Inputs and Outputs (JOPTO Port) .............................................................................4
Power Supply Configuration Jumpers.....................................................................................................................5
Clock Configuration Jumpers..................................................................................................................................5
Encoder Configuration Jumpers..............................................................................................................................6
Single-Ended Encoders.......................................................................................................................................6
Differential Encoders..........................................................................................................................................6
Board Reset/Save Jumpers ......................................................................................................................................7
Communication Jumpers.........................................................................................................................................7
Reserved Configuration Jumpers ............................................................................................................................7
I/O Configuration Jumpers......................................................................................................................................7
Resistor Pack Configuration: Termination Resistors .............................................................................................8
The Optional Dual-Ported RAM .............................................................................................................................9
LED Indicators ........................................................................................................................................................9
Input and Output Mapping ......................................................................................................................................9
Y:$FFC0 J1 (JDISP) Outputs..........................................................................................................................9
Y:$FFC1 J3 (JTHW) Inputs.............................................................................................................................9
Y:$FFC2 J3 (JTHW) Outputs ........................................................................................................................10
Y:$FFC3 J5 (JOPTO) Inputs.........................................................................................................................10
Y:$FFC4 J5 (JOPTO) Outputs ......................................................................................................................10
Y:$FFC5 Dedicated Use................................................................................................................................10
Y:$FFC6 Dedicated Use................................................................................................................................10
OPTION 15 — VOLTAGE TO FREQUENCY CONVERTER .........................................................................12
Configuration as Analog Input with a 0-100 kHz Frequency Range ...............................................................12
Configuration as Analog Input with a 0-2 MHz Frequency Range..................................................................13
General Configuration for Step and Direction Outputs ...................................................................................13
0-100 kHz Frequency Range and Pseudo-Feedback (no External Encoder Connected).................................14
0-2 MHz Frequency Range and Pseudo-Feedback (no External Encoder Connected) ...................................14
0-100 kHz Frequency Range and Pseudo-Feedback (no External Encoder Connected).................................14
0-2 MHz Frequency Range and External Encoder Feedback Connected ........................................................14
SUGGESTED I/O M-VARIABLE DEFINITIONS .............................................................................................16
General Purpose Inputs and Outputs.....................................................................................................................16
Thumbwheel Port Bits (Can be Used as General Purpose I/O).............................................................................16
E-POINT JUMPER DESCRIPTIONS..................................................................................................................18
E0: Reserved for Future Use .................................................................................................................................18
E1 - E2: Machine Output Supply Voltage Configure ...........................................................................................18
E3 - E6: Servo Clock Frequency Control.............................................................................................................19
E7: Machine Input Sourcing/Sinking Control......................................................................................................19
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